Year	current US$
1960	6468000000
1961	6436000000
1962	6592500000
1963	6808600000
1964	7829000000
1965	9113700000
1966	10680100000
1967	11496300000
1968	13043500000
1969	14877900000
1970	15182300000
1971	17573600000
1972	21355000000
1973	26430700000
1974	36766700000
1975	38672500000
1976	43096700000
1977	45096800000
1978	49540700000
1979	60837200000
1980	67104800000
1981	74789700000
1982	62388600000
1983	69482300000
1984	83520900000
1985	86540100000
1986	91638900000
1987	99485000000
1988	121113000000
1989	129094000000
1990	131641000000
1991	132498000000
1992	137328000000
1993	148405000000
1994	166671000000
1995	179622000000
1996	187049000000
1997	215023000000
1998	219180000000
1999	235593000000
2000	253170000000
2001	234772000000
2002	235149000000
2003	253773000000
2004	288114000000
2005	333506000000
2006	371007000000
2007	403255000000
2008	432735000000
2009	340734000000
2010	415668000000
2011	478691000000
2012	490102000000
2013	489457000000
2014	489212000000
2015	445076000000
2016	426870000000
2017	457380000000
2018	485445000000
2019	479228000000
2020	428467000000